<template>
	<keep-alive  :include = "keepAliveInclude">
		<router-view></router-view>	
	</keep-alive>
</template>
<script>
	export default{
	  name: 'middle',
	  data () {
	    return {
	      'keepAliveInclude': ['middle', 'beforeComponent']
	    }
	  }
	}
</script>